It doesn't undo the damage already done, you are correct. It merely lets you control how many more people see it. That way, when you apply for a job 6 months fr

It doesn't undo the damage already done, you are correct. It merely lets you control how many more people see it. That way, when you apply for a job 6 months from now the folks won't see the stuff you wanted to share with a limited number of people on your friends list.